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Currently, well over 10 000 manned and automatic surface weather stations, 1 000 upper-air stations, 7 000 ships, 100 moored and 1 000 drifting buoys, hundreds of weather radars and 3 000 specially equipped commercial aircraft measure key parameters of the atmosphere, land and ocean surface every day. Add to these some 30 meteorological and 200 research satellites to get an idea of the size of the global network for meteorological, hydrological and other geophysical observations.
Water stress, water-related hazards and water quality pose increasing challenges to modern society. And yet, the capacity to monitor and manage this vital resource is fragmented and inadequate. Billions of people around the world also feel the impact of climate change through water.
As a specialized agency of the United Nations, WMO is dedicated to international cooperation and coordination on the state and behaviour of the Earth’s atmosphere, its interaction with the land and oceans, the weather and climate it produces, and the resulting distribution of water resources.
Through its Technical Commissions, Programmes, Projects and Regional Offices as well as by synergistic partnerships, WMO facilitates the maintenance and expansion of its Members' atmospheric, oceanographic and land-based observational networks; the free unrestricted exchange of the resulting data and information; and related capacity development and research in order to optimize the production of weather, climate and water-related services worldwide.
WMO assists National Meteorological and Hydrological Services, especially those of developing and least developed countries, in their efforts to contribute in the most effective manner to the national development and to become full partners in global collaborative efforts.
Publish Date: 25 November 2020
The World Meteorological Organization has welcomed the successful launch of the Copernicus Sentinel-6 Michael Freilich ocean-monitoring satellite . Its high-precision measurements of Earth’s oceans from space will provide crucial information about sea level rise and critical inputs for weather forecasting.